A metreon cloud was a cloud containing high levels of metreon isotopes. Exposure to the cloud may lead to developing metremia.
Rinax was engulfed in a metreon cloud following the metreon cascade in 2356. (VOY: "Jetrel")
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.